Home / 512,366,720.86-768,597,327.78-167,322,156.22

Finding the Fourth Proportional to 512,366,720.86, 768,597,327.78 and 167,322,156.22

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Solution

The fourth proportional to 512,366,720.86, 768,597,327.78 and 167,322,156.22 is: 250,998,663.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,366,720.86 : 768,597,327.78 = 167,322,156.22 : x
  2. Step 2: Convert to fraction form
    512,366,720.86/768,597,327.78 = 167,322,156.22/x
  3. Step 3: Cross multiply
    512,366,720.86x = 768,597,327.78 × 167,322,156.22
  4. Step 4: Simplify right side
    512,366,720.86x = 128,603,362,149,079,696
  5. Step 5: Solve for x
    x = 128,603,362,149,079,696/512,366,720.86
  6. Step 6: Final answer
    x = 250,998,663.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.